#play_btn {
    color: white;
}
#stop_btn {
    color: white;
}
.btn_font {
    font-family: "Comic Sans MS", "Comic Sans", cursive !important;
}
.border {
    border: 1px solid black;
    border-radius: 5px;
    padding: 5px;
}

.textbox_size {
    width: 100%;
    height: 137px;
}

.logbox_size {
    width: 100%;
    height: 250px;
}

.btn_size {
    width: 30%;
}

.column-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.button-container {
  margin-top: auto;
}

.scrollable-textbox {
    overflow-y: scroll;
}

.textbox-font {
    color: black;
    font-weight: bold;
    font-size: 20px;
    font-family: "黑体", Arial, sans-serif;

}
.log {
    width: 30%;
    height: 50%;
    border: 1px solid white;
    border-radius: 5px;
    padding: 5px;
}
.round {
    width: 100%;
    height: 22px;
    border: 1px solid white;
    border-radius: 5px;
    padding: 5px;
}
